Senior Software Engineer, Temporal Technologies

• Strong experience building distributed systems with a focus on replication, consistency, and fault tolerance
• Demonstrated ability to design and implement concurrent, correctness-critical systems
• Hands-on experience debugging complex production issues involving race conditions, data consistency, or performance degradation
• Proficiency writing production-quality concurrent code, preferably in Go (Java or similar systems languages also welcome)
• Solid understanding of distributed systems fundamentals (consensus, replication, sharding, backpressure, failure detection, etc.)
• Ability to take ownership of technically deep areas and drive improvements with minimal oversight
• Curiosity and rigor in understanding how systems behave under stress, failure, and scale
• This role is highly technical and requires comfort reasoning about consistency, concurrency, failure modes, and performance in complex distributed systems

Desirable

• We are hiring a Senior Software Engineer to join the Replication Foundations team, part of Temporal’s Cloud Global Services (CGS) organization
• The Replication Foundations team owns and evolves Temporal’s core replication stack in Temporal OSS
• This stack underpins key Temporal Cloud offerings, including High Availability namespaces, cross-cluster and cross-region failover, and migration products that allows customers to move workloads freely between self-hosted Temporal and Cloud. Beyond cloud features, the team works on fundamental scalability and reliability mechanisms that define how Temporal operates at large scale
• As a Senior Engineer on this team, you will work deep in Temporal’s distributed systems core—designing and implementing replication protocols, correctness mechanisms, and scalability features such as multi-cell namespaces and protocols that allow a single namespace to span multiple clusters and split or merge dynamically based on workload demands
• This role is highly technical and requires comfort reasoning about consistency, concurrency, failure modes, and performance in complex distributed systems
• Design and implement core components of Temporal’s OSS replication stack
• Build and evolve replication protocols that power:
• High Availability namespaces
• Cross-cluster and cross-region replication
• Migration between Temporal clusters
• Develop scalability and reliability features such as:
• Multi-cell namespaces
• Protocols enabling a single namespace to span multiple clusters
• Dynamic split and merge of namespaces based on usage and capacity
• Reason deeply about consistency models, ordering guarantees, and failure recovery in replicated systems
• Own complex changes end-to-end, from design through implementation, testing, and rollout in OSS and cloud environments
• Write clear design documents and code comments that explain protocol behavior, invariants, and tradeoffs
• Collaborate closely with Cloud Enablement and other CGS teams to ensure OSS foundations support current and future cloud products
• Participate in on-call and incident response related to replication and core system behavior